Intangible assets and liabilities other than goodwill - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization expense	$ 192,571	$ 222,884
Net credit to cost of sales related to the amortization of contract related assets and liabilities	$ 6,727	$ (110,031)
Patents \| Minimum
Acquired Finite-Lived Intangible Assets [Line Items]
Finited lived intangible assets, estimated useful life	7 years
Patents \| Maximum
Acquired Finite-Lived Intangible Assets [Line Items]
Finited lived intangible assets, estimated useful life	10 years
Contract related intangibles \| Minimum
Acquired Finite-Lived Intangible Assets [Line Items]
Finited lived intangible assets, estimated useful life	1 year
Contract related intangibles \| Maximum
Acquired Finite-Lived Intangible Assets [Line Items]
Finited lived intangible assets, estimated useful life	11 years